>>I use a few thousand Sipex SP485CS parts a year in something I manufacture. >>This is the equivalent to the Maxim MAX485CPA and the cost is less than half [..] I usually use ADM485 (I hope it's the same device :-) -- Ciao, Dario -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist